# CVE-2026-58004: Altera Trusted Firmware out-of-bounds read in HPS

Source: https://junglewise.ai/threats/cve-2026-58004-out-of-bounds-read-vulnerability-in-altera-trusted-firmware-on  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-24. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-58004 · Severity: high · CVSS 8.1 · Published 2026-09-24

Altera's Trusted Firmware, which runs on Hard Processor System (HPS) components in Intel FPGAs, contains an out-of-bounds read vulnerability that could allow an attacker to escalate privileges. An exploit could give an attacker elevated access to the firmware, potentially compromising the security of the FPGA platform and any systems depending on its trusted execution environment.

Technologies: [Altera Trusted Firmware](https://junglewise.ai/threats/technologies/altera-trusted-firmware-1). Vendors: [Altera](https://junglewise.ai/threats/vendors/altera).

## Quick answers

**Is CVE-2026-58004 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-58004 being exploited in the wild.

**How severe is CVE-2026-58004?** High severity, with a CVSS score of 8.1, published 24 September 2026.

**Which products and versions are affected?** Altera Trusted Firmware through socfpga_v2.14.0.

**Is there a fix for CVE-2026-58004?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-58004 attacked?** It is attacked with local access or from the adjacent network.

**Am I affected by CVE-2026-58004?** Check whether you run Altera Trusted Firmware at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An out-of-bounds read flaw in Altera Trusted Firmware on HPS allows privilege escalation through buffer overflow conditions. The vulnerability exists in Trusted Firmware up to version socfpga_v2.14.0. Exploitation likely requires local or adjacent network access but does not appear to have been exploited in the wild as of the advisory date.

## Affected products

- Altera Trusted Firmware through socfpga_v2.14.0

## Timeline

- 2026-09-24: disclosed

## References

- [https://www.altera.com/product-security/advisory/asa-0006](https://www.altera.com/product-security/advisory/asa-0006)

## Related threats

- [Altera Trusted Firmware stack buffer overflow on HPS](https://junglewise.ai/threats/cve-2026-58008-stack-based-buffer-overflow-vulnerability-in-altera-trusted)
- [Altera Trusted Firmware out-of-bounds read in HPS](https://junglewise.ai/threats/cve-2026-58005-out-of-bounds-read-vulnerability-in-altera-trusted-firmware-on)